Thermomechanical effect of ultrashort laser pulses on single-dimension metallic nanostructures
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A theoretical model of the thermomechanical effect of ultrashort laser pulses on single-dimension metallic nanostructures is developed. The heating of metals is described using a dual temperature model for an electronic gas and ionic lattice. A numerical solution to Lagrange equations for the motion of continuous media is used to study the space-time dynamics of the excitation and propagation of acoustic vibrations inside the nanostructures and their surroundings.
KeywordsLaser Pulse Rarefaction Wave Metallic Nanoparticle Ultrashort Laser Pulse Acoustic Oscillation
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